TAMMI M BOSWELL NP
NPI 1568515757
Nurse Practitioner - Neonatal in Columbia, MD
About Tammi M Boswell Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMI M BOSWELL NP (NPI 1568515757) is an individual neonatal provider in Columbia, Maryland, licensed in Maryland (AC002071) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tammi M Boswell Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Tammi Boswell reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 26 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Rocky Mount, NC 27804
- Reassigned Medicare billing, North Carolina enrollment
- 205 clinicians in this Medicare group
Concord, NC 28025
- Reassigned Medicare billing, North Carolina enrollment
- 2,223 clinicians in this Medicare group
Mullins, SC 29574
- Reassigned Medicare billing, South Carolina enrollment
- 357 clinicians in this Medicare group
Lancaster, SC 29720
- Reassigned Medicare billing, South Carolina enrollment
- 509 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tammi Boswell's NPI number?
The NPI number for Tammi Boswell is 1568515757. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is Tammi Boswell located?
Tammi Boswell practices at 5755 Cedar Ln, Columbia, MD 21044. The listed phone number is (410) 740-7845.
What is Tammi Boswell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.
Is Tammi Boswell enrolled in Medicare?
Yes. Tammi Boswell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tammi Boswell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Boswell reassigns Medicare benefits to 6 organizations: Johns Hopkins University (Baltimore, MD), Medstar Medical Group II LLC (Baltimore, MD), Nhcs Physicians, Inc. (Rocky Mount, NC), Carolinas Medical Center (Concord, NC), Medical University Hospital Authority (Mullins, SC) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammi Boswell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammi Boswell accept?
Health plans from Blue Cross and Blue Shield of NC, BlueCross BlueShield of South Carolina, First Choice Next, InStil Health and Molina Healthcare and 4 other insurers list Tammi Boswell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tammi Boswell was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tammi M Boswell, NP · NPI 1568515757
Neonatal physician in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since January 19, 2007.
## Identity
- **NPI:** 1568515757 (Entity type: Individual)
- **Enumerated:** January 19, 2007
- **Primary specialty:** Nurse Practitioner - Neonatal · taxonomy 363LN0000X
- **State license:** AC002071 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5755 CEDAR LN, Columbia, MD 21044-2912
- **Phone:** (410) 740-7845 · **Fax:** (410) 740-7663
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1912661182, Baltimore, MD); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Nhcs Physicians, Inc. (NPI 1932652492, Rocky Mount, NC); Carolinas Medical Center (NPI 1467790055, Concord, NC); Medical University Hospital Authority (NPI 1043837669, Mullins, SC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1568515757) · Data from the CMS NPPES public registry.